| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | appear to have been [verb] | 373 |
|
| 2 | appear to have [verb] [adj] | 140 |
|
| 3 | appear to have been [adj] | 128 |
|
| 4 | to have been [verb] [adj] | 93 |
|
